The 3660-P-700 from Holland Shielding Systems is a Microwave Absorber with Absorption 14 to 30 dB, Frequency 30 MHz to 18 GHz, Power 1.5 kW, Thickness 27.55 Inch/700 mm, Thickness 27.55 Inch. Tags: Pyramid, Foam Absorber, Hybrid Absorber, EMC Absorber. More details for 3660-P-700 can be seen below.